When the unit test stored procedure is called, it has to return a string. If the string starts with “0” to “6”, it is handled as described below, anything else is considered an exception.“0” – considered as no event, neither pass nor fail.“1” – considered test pass.“2” – considered test fail.“3” – considered test pass skip rest of the test.“4” – considered test pass skip rest of the SQL commands.“5” – considered test fail skip rest of the test.“6” – considered test fail skip rest of the SQL commands.“?” – considered as an exception.